Provide a deep analysis of the video game market, in order to gain a better understanding for working with a client in this field. Explore key trends, including how video games and e-sports are challenging concept of sports, societal impacts, key players, and key innovations in the space. Provide data on investments by major companies such as Amazon, Apple, Microsoft, and Google in the video game space, including what type of tech or gaming styles they are investing, the role of VR in gaming, and the role of cloud-based gaming services, and a comprehensive overview of the state of subscription-based gaming services, as well as the role of mobile gaming, console gaming and computer gaming, and revenues of each.